Metal-Fab Type B-Vent 4" Diameter Oval to Round Adapter pewter The WM-FML-STL series comes standard

The WM-FML-STL series comes standard with clear decorative media

Four inch diameter for lengthy installations

Places where construction is not an option (wall mount)

625 inches wide

Metal-Fab Type B-Vent 4" Diameter Oval to Round Adapter pewter The WM-FML-STL series comes standardType B Gas Vent products are tested and listed to UL 441 for approved gas appliances and feature our innovative twist lock connection and locking tab, eliminating the need for sheet metal screws. Metal Fab Type B Gas Vent combines hemmed flues and casings that maximize product durability and reliability and minimize installation time. Designed for versatility, Metal Fab Type B Gas Vent products 3" 6" adapt to major competing brands and when installed